<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="/lib/ming_canvas.js"></script>


    <style>
        *{
            margin: 0;
            font-size: 0.1px;
        }

    </style>



</head>
<body>
    <!--画板-->
    <canvas id="canvas" style="background-color: black;"> </canvas>




    <script>
        C= new MingCanvas("#canvas",1000,1000);
        C.draw1(90,150,"pink")
        C.arc(0,DH.L1,DH.L2,0,a(60))

        C.draw1(30,150,"pink")
        C.arc(0,DH.L1*Math.cos(DH.a1min) ,DH.L2,0,a(60))


       // C.draw1(30,90,"pink")
        // C.draw1(30,150,"pink")
        //
        // C.draw1(90,150,"pink")
        // for (let i=0;i<=90;i=i+2){
        //     for (let j=60;j<=150;j=j+2){
        //         C.draw1(i,j,"pink")
        //     }
        // }

    </script>





 </body>
</html>